Optical constants of CDGM - ZPK (Dense phosphate crown)
D-ZPK3
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2-1=\frac{0.922289896λ^2}{λ^2-0.0126503387}+\frac{0.584492874λ^2}{λ^2-0.00176614589}+\frac{1.04970792λ^2}{λ^2-106.089243}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.61e-06 1.14e-08 -3.06e-11 3.5e-07 1.08e-10 0.215
nd: 1.594190
Vd: 67.295385
glass_code: 594673
density: 3.37 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.2e-06 K-1
- temperature_range: 20 300 °C
coefficient: 1.15e-05 K-1
dPgF: 0.0057
climatic_resistance: 1.0
Comments
anneal rate:4°C/h
References
CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets